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Old 28-12-2012, 05:26 PM   #1
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Country: uk
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Boat name: Joyride
Boat make: Sharp 19' so I was told! I think it's a Predator?
Engines: mercury 1150 thunderbolt 6cyl... Mercury 1995 115hp 4cyl
Cruising area: inter islands

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fiber glassing!

I own a Sharp 19' which is at the moment is in need of TLC..... some previous so called repaired work needs redoing as its not up to the job!

any able to help with some good pointers on fiber glassing the highlighted areas?
not sure exactly what there called?
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Old 29-12-2012, 11:52 AM   #2
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Those are called spray rails and are likely to have been damaged on a slip,rocks or just a bad fitting trailer.
They should be easy to repair with an epoxy kit I think international did a tips book you could pick up in a marine chandlers.
It's better then using filler and will stay on longer.
Make sure you key in the old fibre glass well with a grinder or sand paper first
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Old 29-12-2012, 12:23 PM   #3
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I see a lot of DIY repairs.

The main points where people go wrong is not grinding back to good solid material, not drying out thoroughly and not degreasing properly.
Preparation is more than half the job!

After that it's the choice of reinforcement and finishing.

If the damage only just extends through the gel you can fill with gel coat (with special wax added) and fair in with wet and dry. The alternative would be a good quality epoxy filler such as International watertite but the colour difference will be extreme. DO NOT USE CAR BODY FILLER!!!!

If the repair is deeper then you will be better getting it done at a marine composite specialist unless you have prior experience.

Chine repairs are an absolute pig even for the trade.

For anyone who is interested, here are some photos of a particularly awkward one we did a few months ago:

This is what the previous repair did after a few months.


After partly grinding out the cracks:


A repair piece ready to be inserted:


The repair piece epoxied in possition:


Clamps holding the additional epoxy/polyester reinfocement in place:


Fairing in the repair prior to applying an epoxy top coat:
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Old 29-12-2012, 01:44 PM   #4
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Country: uk
Location: Isles of Scilly.....(use google)
Interests: small race boats, big race boat....anything with speed really
Boat name: Joyride
Boat make: Sharp 19' so I was told! I think it's a Predator?
Engines: mercury 1150 thunderbolt 6cyl... Mercury 1995 115hp 4cyl
Cruising area: inter islands

Join Date: Dec 2012
Location: Isles of Scilly.....(use google)
Posts: 129
thanks for the info very helpful yes they were caused by rocks... and the repair job was so bad taking her above 50knts took one patch off!
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